@xeno-js

Mattia Carcione

@xeno-jsJoined September 2026

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Mattia Carcione's blogs

Xeno.Js Blogxeno-js.hashnode.dev3 posts

Where Should Request Validation Live in a TypeScript Application?

Explore why validation belongs at the application boundary, how pipelines separate validation from HTTP, and how Xeno.JS implements this approach.

10 min readxeno-js.hashnode.dev

Oct 7

Why I Created Xeno.JS: Architectural Rigor and Zero Infrastructure Constraints

Discover why Xeno.JS was created to solve technical debt and infrastructure lock-in in modern TypeScript applications.

4 min readxeno-js.hashnode.dev

Oct 3

Xeno.JS vs NestJS: Different Approaches to TypeScript Application Architecture

Looking for a NestJS alternative? Compare Xeno.JS and NestJS for TypeScript application architecture, dependency injection, CQRS, pipelines, HTTP, and transport independence.

10 min readxeno-js.hashnode.dev

Oct 1

Mattia Carcione

About

Available for

Mattia Carcione's blogs

Where Should Request Validation Live in a TypeScript Application?

Why I Created Xeno.JS: Architectural Rigor and Zero Infrastructure Constraints

Xeno.JS vs NestJS: Different Approaches to TypeScript Application Architecture

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Mattia Carcione

About

Available for

Mattia Carcione's blogs

Where Should Request Validation Live in a TypeScript Application?

Why I Created Xeno.JS: Architectural Rigor and Zero Infrastructure Constraints

Xeno.JS vs NestJS: Different Approaches to TypeScript Application Architecture